
\begingroup
\centering
\begin{tabular}{lcccccccccccccccc}
   \toprule
    & \multicolumn{16}{c}{No. of people in county $i$ with ancestral country $o$ in year:}\\
    & \multicolumn{2}{c}{1900} & \multicolumn{2}{c}{1905} & \multicolumn{2}{c}{1910} & \multicolumn{2}{c}{1915} & \multicolumn{2}{c}{1920} & \multicolumn{2}{c}{1925} & \multicolumn{2}{c}{1930} & \multicolumn{2}{c}{1940} \\ 
\cmidrule(lr){2-3} \cmidrule(lr){4-5} \cmidrule(lr){6-7} \cmidrule(lr){8-9} \cmidrule(lr){10-11} \cmidrule(lr){12-13} \cmidrule(lr){14-15} \cmidrule(lr){16-17}
                                                                               & (1)           & (2)           & (3)           & (4)           & (5)            & (6)            & (7)            & (8)            & (9)            & (10)           & (11)           & (12)           & (13)           & (14)           & (15)            & (16)\\  
   \midrule 
   $I_{o, -r(i)}^{1880} \times \frac{I_{-c(o), i}^{1880}}{I_{-c(o)}^{1880}}$   & 3.205$^{***}$ & 3.124$^{***}$ & 3.267$^{***}$ & 3.252$^{***}$ & 3.887$^{***}$  & 3.739$^{***}$  & 3.916$^{***}$  & 3.648$^{***}$  & 4.364$^{***}$  & 4.053$^{***}$  & 4.484$^{***}$  & 4.143$^{***}$  & 4.981$^{***}$  & 4.708$^{***}$  & 5.125$^{***}$   & 4.863$^{***}$\\   
                                                                               & (0.121)       & (0.120)       & (0.229)       & (0.273)       & (0.258)        & (0.287)        & (0.272)        & (0.299)        & (0.287)        & (0.306)        & (0.366)        & (0.406)        & (0.273)        & (0.355)        & (0.286)         & (0.364)\\   
   $I_{o, -r(i)}^{1895} \times \frac{I_{-c(o), i}^{1895}}{I_{-c(o)}^{1895}}$   & 2.796$^{***}$ & 3.776$^{***}$ & 3.541$^{***}$ & 4.838$^{***}$ & 4.786$^{***}$  & 5.765$^{***}$  & 5.721$^{***}$  & 5.948$^{***}$  & 6.536$^{***}$  & 6.723$^{***}$  & 8.153$^{***}$  & 8.580$^{***}$  & 9.097$^{***}$  & 9.975$^{***}$  & 9.533$^{***}$   & 10.803$^{***}$\\   
                                                                               & (0.434)       & (0.481)       & (1.173)       & (1.360)       & (1.033)        & (1.234)        & (1.272)        & (1.375)        & (1.446)        & (1.353)        & (1.589)        & (1.517)        & (0.287)        & (0.284)        & (0.366)         & (0.288)\\   
   $I_{o, -r(i)}^{1900} \times \frac{I_{-c(o), i}^{1900}}{I_{-c(o)}^{1900}}$   &               &               & -2.993        & -1.065        & -0.465         & -2.120         & -4.675         & -9.689         & -3.842         & -9.645         & -14.394$^{*}$  & -21.973$^{**}$ & -14.400        & -17.513        & -13.957         & -15.498\\   
                                                                               &               &               & (6.031)       & (8.458)       & (5.932)        & (7.932)        & (5.776)        & (8.382)        & (5.503)        & (8.549)        & (7.349)        & (10.152)       & (17.418)       & (22.636)       & (17.165)        & (21.836)\\   
   $I_{o, -r(i)}^{1905} \times \frac{I_{-c(o), i}^{1905}}{I_{-c(o)}^{1905}}$   &               &               &               &               & 18.867$^{***}$ & 20.976$^{***}$ & 22.565$^{***}$ & 23.549$^{***}$ & 25.879$^{***}$ & 26.700$^{***}$ & 30.794$^{***}$ & 33.231$^{***}$ & 34.257$^{***}$ & 35.494$^{***}$ & 37.721$^{***}$  & 38.884$^{***}$\\   
                                                                               &               &               &               &               & (3.301)        & (3.471)        & (4.732)        & (4.940)        & (5.542)        & (5.342)        & (5.641)        & (5.510)        & (4.125)        & (6.147)        & (4.871)         & (7.368)\\   
   $I_{o, -r(i)}^{1910} \times \frac{I_{-c(o), i}^{1910}}{I_{-c(o)}^{1910}}$   &               &               &               &               &                &                & 22.109$^{***}$ & 18.560$^{**}$  & 25.430$^{***}$ & 21.504$^{***}$ & 37.181$^{***}$ & 33.876$^{***}$ & 41.072$^{***}$ & 35.021$^{**}$  & 43.634$^{***}$  & 38.027$^{***}$\\   
                                                                               &               &               &               &               &                &                & (5.313)        & (7.328)        & (6.226)        & (6.802)        & (6.292)        & (7.914)        & (11.306)       & (14.001)       & (11.168)        & (13.019)\\   
   $I_{o, -r(i)}^{1915} \times \frac{I_{-c(o), i}^{1915}}{I_{-c(o)}^{1915}}$   &               &               &               &               &                &                &                &                & 12.814$^{***}$ & 12.628$^{***}$ & 22.541$^{***}$ & 22.884$^{***}$ & 25.652$^{***}$ & 25.606$^{***}$ & 29.307$^{***}$  & 29.755$^{***}$\\   
                                                                               &               &               &               &               &                &                &                &                & (3.450)        & (4.061)        & (5.257)        & (5.950)        & (3.907)        & (3.325)        & (4.657)         & (3.954)\\   
   $I_{o, -r(i)}^{1920} \times \frac{I_{-c(o), i}^{1920}}{I_{-c(o)}^{1920}}$   &               &               &               &               &                &                &                &                &                &                & 9.107          & 8.782          & 10.159$^{*}$   & 7.603$^{*}$    & 17.836$^{**}$   & 15.182$^{***}$\\   
                                                                               &               &               &               &               &                &                &                &                &                &                & (10.879)       & (11.473)       & (5.689)        & (4.355)        & (7.107)         & (5.344)\\   
   $I_{o, -r(i)}^{1925} \times \frac{I_{-c(o), i}^{1925}}{I_{-c(o)}^{1925}}$   &               &               &               &               &                &                &                &                &                &                &                &                & 28.357$^{***}$ & 27.532$^{***}$ & 34.635$^{***}$  & 34.147$^{***}$\\   
                                                                               &               &               &               &               &                &                &                &                &                &                &                &                & (2.221)        & (3.398)        & (3.272)         & (4.152)\\   
   $I_{o, -r(i)}^{1930} \times \frac{I_{-c(o), i}^{1930}}{I_{-c(o)}^{1930}}$   &               &               &               &               &                &                &                &                &                &                &                &                &                &                & -32.971$^{***}$ & -28.977$^{***}$\\   
                                                                               &               &               &               &               &                &                &                &                &                &                &                &                &                &                & (9.814)         & (7.604)\\   
   Constant                                                                    & 0.392$^{*}$   &               & 0.393$^{***}$ &               & -0.019         &                & -0.693$^{***}$ &                & -1.128$^{***}$ &                & -1.763$^{***}$ &                & -2.414$^{***}$ &                & -2.383$^{***}$  &   \\   
                                                                               & (0.212)       &               & (0.071)       &               & (0.113)        &                & (0.214)        &                & (0.201)        &                & (0.314)        &                & (0.244)        &                & (0.276)         &   \\   
    $F$-stat & 360 & 337 & 76 & 48 & 68 & 44 & 54 & 41 & 63 & 55 & 58 & 45 & 15059 & 1246 & 59658 & 1492\\
    \\
   Observations                                                                & 72,905        & 72,905        & 76,156        & 76,156        & 77,160         & 77,160         & 77,711         & 77,711         & 77,978         & 77,978         & 79,740         & 79,740         & 79,934         & 79,934         & 81,602          & 81,602\\  
   R$^2$                                                                       & 0.775         & 0.881         & 0.757         & 0.867         & 0.795          & 0.893          & 0.778          & 0.878          & 0.790          & 0.887          & 0.750          & 0.860          & 0.793          & 0.886          & 0.789           & 0.885\\  
    \\
   Neighboring ancestral countries-County fixed effects                        &               & $\checkmark$  &               & $\checkmark$  &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                 & $\checkmark$\\   
   Ancestral country-Census division fixed effects                             &               & $\checkmark$  &               & $\checkmark$  &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                 & $\checkmark$\\   
   $I_{i}^{\tau} / I^{\tau}$ controls                                          &               & $\checkmark$  &               & $\checkmark$  &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                & $\checkmark$   &                 & $\checkmark$\\   
   \bottomrule
\end{tabular}
\par\endgroup


